/Engine/Source/Runtime/OpenGLDrv/Public/OpenGL.h
static bool PE_GLSLToDeviceCompatibleGLSL ( FAnsiCharArray & GlslCodeOriginal, const [FString](API\Runtime\Core\Containers\FString) & ShaderName, GLenum TypeEnum, const [FOpenGLShaderDeviceCapabilities](API\Runtime\OpenGLDrv\FOpenGLShaderDeviceCapabilities) & Capabilities, FAnsiCharArray & GlslCode )